Anatomy of Eyelids
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Questions and Answers

What is the function of the medial palpebral ligament?

  • Connects the tarsal glands to the orbital septum
  • Connects the lateral ends of the tarsal plates to a bony tubercle
  • Attaches the medial ends of the plates to the crest of the lacrimal bone (correct)
  • Attaches the lateral ends of the plates to the lateral canthus
  • Which muscle is responsible for moving the upper eyelid upwards?

  • Orbicularis oculi
  • Superior tarsal muscle
  • Levator palpebrae superioris (correct)
  • Orbicularis oculi and levator palpebrae superioris together
  • What covers the superficial surface of the tarsal plates and the orbital septum?

  • Palpebral fibers of orbicularis oculi muscle (correct)
  • Aponeurosis of insertion
  • Superior tarsal muscle
  • Levator palpebrae superioris
  • What is the function of the lateral palpebral ligament?

    <p>Connects the lateral ends of the tarsal plates to a bony tubercle</p> Signup and view all the answers

    Which muscle helps in closing the eye by contracting?

    <p>Orbicularis oculi</p> Signup and view all the answers

    What muscle underlies the levator palpebrae superioris?

    <p>Superior tarsal muscle</p> Signup and view all the answers

    Which action describes 'opening the eye'?

    <p><strong>Elevating</strong> (lifting) the upper eyelid</p> Signup and view all the answers

    'Closing the eye' denotes which action?

    <p><strong>Lowering</strong> both eyelids together</p> Signup and view all the answers

    What determines the position of the eyelids at rest?

    <p><strong>Tone</strong> of orbicularis oculi, levator palpebrae superioris, and superior tarsal muscles together</p> Signup and view all the answers

    What happens when looking upward?

    <p>Levator palpebrae superioris contracts</p> Signup and view all the answers

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